66395795 has 8 divisors (see below), whose sum is σ = 84361824. Its totient is φ = 49992064.

The previous prime is 66395789. The next prime is 66395801. The reversal of 66395795 is 59759366.

It is an interprime number because it is at equal distance from previous prime (66395789) and next prime (66395801).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66395795 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390479 + ... + 390648.

It is an arithmetic number, because the mean of its divisors is an integer number (10545228).

Almost surely, 2^66395795 is an apocalyptic number.

66395795 is a deficient number, since it is larger than the sum of its proper divisors (17966029).

66395795 is a wasteful number, since it uses less digits than its factorization.

66395795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781149.

The product of its digits is 1530900, while the sum is 50.

The square root of 66395795 is about 8148.3614917356. The cubic root of 66395795 is about 404.9302221909.

It can be divided in two parts, 663 and 95795, that multiplied together give a triangular number (63512085 = T₁₁₂₇₀).

The spelling of 66395795 in words is "sixty-six million, three hundred ninety-five thousand, seven hundred ninety-five".